Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    24-05-2021 18:02

General

  • Target

    e8a3c694fc39f2fc11cc98a039092d9c.dll

  • Size

    937KB

  • MD5

    e8a3c694fc39f2fc11cc98a039092d9c

  • SHA1

    5a997bcf52469b57823d7aa171a2d6debc70800b

  • SHA256

    31f3e3dff9f4a1c67b4358b3dea34a4c1ad3ad98f5d58006071ec82543d7ed08

  • SHA512

    ec1a1c3991c3b9c9b923b9ce1799fdf6bcff5e0e7c64fcff95892f001b4cac244eaf1fe84410e418f7dafce301fe08df9f95af1b88d01576e51fc7e438feea47

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes
  • build

    250188

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.base64
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3c694fc39f2fc11cc98a039092d9c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3c694fc39f2fc11cc98a039092d9c.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:1420
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:1284

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1284-62-0x0000000000000000-mapping.dmp

      • memory/1420-61-0x0000000000000000-mapping.dmp

      • memory/2040-59-0x0000000000000000-mapping.dmp

      • memory/2040-60-0x0000000075721000-0x0000000075723000-memory.dmp

        Filesize

        8KB

      • memory/2040-64-0x0000000074880000-0x0000000074984000-memory.dmp

        Filesize

        1.0MB

      • memory/2040-63-0x0000000074880000-0x000000007488E000-memory.dmp

        Filesize

        56KB

      • memory/2040-65-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB